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        <h2 id="一：简介"><a href="#一：简介" class="headerlink" title="一：简介"></a>一：简介</h2><p>快捷支付涉及到方方面面，同时安全问题既是用户所关心的，也是制作者不容忽视的重要部分。<br>比如涉及到支付和金钱的app，商户端app等等，都需要进行实名认证，实名认证可以通过银行卡认证和身份证认证。<br>通常办法是通过上传照片，并且手动输入基本信息进行认证，这种方法不仅操作复杂，而且容易出错。<br>网上很多资源，识别率低，速度慢，用户体验很差。今天我就和大家介绍一下我使用的方法，可以快速、高效的识别中国身份证信息。</p>
<a id="more"></a>
<h2 id="二：原理"><a href="#二：原理" class="headerlink" title="二：原理"></a>二：原理</h2><p>在拍摄框中右上区域加了一个人像区域提示框，并将该区域设为扫描人脸的区域，只有该区域扫描到身份证上的人脸时（确保用户的确将身份证人像对准了拍摄框中的人像框），才执行读取身份证信息的操作。</p>
<h2 id="三：项目展示"><a href="#三：项目展示" class="headerlink" title="三：项目展示"></a>三：项目展示</h2><p>扫描身份证面截图</p>
<p><img src="http://upload-images.jianshu.io/upload_images/2829694-20b78f45be90b3de.jpg?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="头像面扫描"></p>
<p><img src="http://upload-images.jianshu.io/upload_images/2829694-8cd81ffdb6f4daac.jpg?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="国徽面扫描"></p>
<p>信息展示页面</p>
<p><img src="http://upload-images.jianshu.io/upload_images/2829694-5dc5685f6c54a9df.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="头像页信息"></p>
<p><img src="http://upload-images.jianshu.io/upload_images/2829694-856239c3727e49d6.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="国徽页信息"></p>
<h2 id="四：-使用流程介绍"><a href="#四：-使用流程介绍" class="headerlink" title="四： 使用流程介绍"></a>四： 使用流程介绍</h2><h4 id="4-1-身份验证"><a href="#4-1-身份验证" class="headerlink" title="4.1 身份验证"></a>4.1 身份验证</h4><p>由于使用的是百度云的图像文字识别sdk，首先需要去百度云<a href="https://console.bce.baidu.com/ai/?_=1515636851708&amp;fromai=1#/ai/ocr/app/list" target="_blank" rel="noopener">管理控制台</a>获得API Key / Secret Key。</p>
<p><img src="http://upload-images.jianshu.io/upload_images/2829694-d962a45ac612e492.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="管理控制台"></p>
<p><img src="http://upload-images.jianshu.io/upload_images/2829694-97842b3398dd0700.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="管理控制台"></p>
<h4 id="4-2-下载demo"><a href="#4-2-下载demo" class="headerlink" title="4.2 下载demo"></a>4.2 下载demo</h4><p><a href="https://github.com/fanbaoying/FBYIDCardRecognition-Android" target="_blank" rel="noopener">GitHub 源码链接</a></p>
<ol>
<li>将下载的demo中libs目录下的ocr-sdk.jar文件拷贝到工程libs目录中，并加入工程依赖</li>
<li>将libs目录下armeabi，arm64-v8a，armeabi-v7a，x86文件夹按需添加到android studio工程src/main/jniLibs目录中， eclipse用户默认为libs目录。</li>
<li>在Android studio中以模块方式导入下载包中的identify文件夹,模块方式导入流程如下：<br>首先要在顶层工程目录下的settings.gradle文件中include模块名<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">include &apos;:app&apos;,&apos;:identify&apos;</span><br></pre></td></tr></table></figure>
</li>
</ol>
<p>然后直接复制粘贴identify文件导入到项目的文件夹中！！！然后Build&gt;Rebuild Project，重新构建项目。</p>
<h4 id="4-3-权限配置"><a href="#4-3-权限配置" class="headerlink" title="4.3 权限配置"></a>4.3 权限配置</h4><ol>
<li><p>在工程AndroidManifest.xml文件中添加如下权限：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">&lt;uses-permission android:name=&quot;android.permission.INTERNET&quot; /&gt;</span><br><span class="line">&lt;uses-permission android:name=&quot;android.permission.CAMERA&quot;/&gt;</span><br><span class="line">&lt;uses-permission android:name=&quot;android.permission.READ_EXTERNAL_STORAGE&quot;/&gt;</span><br><span class="line">&lt;uses-permission android:name=&quot;android.permission.WRITE_EXTERNAL_STORAGE&quot;/&gt;</span><br></pre></td></tr></table></figure>
</li>
<li><p>在Proguard配置文件中增加, 防止release发布时打包报错：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">-keep class com.baidu.ocr.sdk.**&#123;*;&#125;</span><br><span class="line">-dontwarn com.baidu.ocr.**</span><br></pre></td></tr></table></figure>
</li>
</ol>
<h4 id="4-4-核心函数介绍"><a href="#4-4-核心函数介绍" class="headerlink" title="4.4 核心函数介绍"></a>4.4 核心函数介绍</h4><ol>
<li><p>初始化函数</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line">OCR.getInstance().initAccessTokenWithAkSk(new OnResultListener&lt;AccessToken&gt;() &#123;</span><br><span class="line">            @Override</span><br><span class="line">            public void onResult(AccessToken result) &#123;</span><br><span class="line"></span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            @Override</span><br><span class="line">            public void onError(OCRError error) &#123;</span><br><span class="line">                error.printStackTrace();</span><br><span class="line">                Log.d(&quot;onError&quot;, &quot;msg: &quot; + error.getMessage());</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;, getApplicationContext(), &quot;你注册的appkey&quot;, &quot;你注册的sk&quot;);</span><br></pre></td></tr></table></figure>
</li>
<li><p>身份证拍照</p>
</li>
</ol>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">Intent intent = new Intent(MainActivity.this, CameraActivity.class);</span><br><span class="line">intent.putExtra(CameraActivity.KEY_OUTPUT_FILE_PATH,</span><br><span class="line">    FileUtil.getSaveFile(getApplication()).getAbsolutePath());</span><br><span class="line">intent.putExtra(CameraActivity.KEY_CONTENT_TYPE, CameraActivity.CONTENT_TYPE_ID_CARD_FRONT);</span><br><span class="line">startActivityForResult(intent, REQUEST_CODE_CAMERA);</span><br></pre></td></tr></table></figure>
<ol>
<li><p>图像回调</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line">@Override</span><br><span class="line">protected void onActivityResult(int requestCode, int resultCode, Intent data) &#123;</span><br><span class="line">    super.onActivityResult(requestCode, resultCode, data);</span><br><span class="line"></span><br><span class="line">    if (requestCode == REQUEST_CODE_CAMERA &amp;&amp; resultCode == Activity.RESULT_OK) &#123;</span><br><span class="line">        if (data != null) &#123;</span><br><span class="line">            String contentType = data.getStringExtra(CameraActivity.KEY_CONTENT_TYPE);</span><br><span class="line">            String filePath = FileUtil.getSaveFile(getApplicationContext()).getAbsolutePath();</span><br><span class="line">            if (!TextUtils.isEmpty(contentType)) &#123;</span><br><span class="line">                if (CameraActivity.CONTENT_TYPE_ID_CARD_FRONT.equals(contentType)) &#123;</span><br><span class="line">                    recIDCard(IDCardParams.ID_CARD_SIDE_FRONT, filePath);</span><br><span class="line">                &#125; else if (CameraActivity.CONTENT_TYPE_ID_CARD_BACK.equals(contentType)) &#123;</span><br><span class="line">                    recIDCard(IDCardParams.ID_CARD_SIDE_BACK, filePath);</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p>数据解析</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line">private void recIDCard(String idCardSide, String filePath) &#123;</span><br><span class="line">    IDCardParams param = new IDCardParams();</span><br><span class="line">    param.setImageFile(new File(filePath));</span><br><span class="line">    param.setIdCardSide(idCardSide);</span><br><span class="line">    param.setDetectDirection(true);</span><br><span class="line">    OCR.getInstance().recognizeIDCard(param, new OnResultListener&lt;IDCardResult&gt;() &#123;</span><br><span class="line">        @Override</span><br><span class="line">        public void onResult(IDCardResult result) &#123;</span><br><span class="line">            if (result != null) &#123;</span><br><span class="line">                Log.d(&quot;onResult&quot;, &quot;result: &quot; + result.toString());</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        @Override</span><br><span class="line">        public void onError(OCRError error) &#123;</span><br><span class="line">            Log.d(&quot;onError&quot;, &quot;error: &quot; + error.getMessage());</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
</ol>
<p>到此身份证识别接入就结束了！！！</p>
<p>相同方式均可实现银行卡识别、驾驶证识别、行驶证识别、车牌识别、营业执照识别等等，如有需要demo可联系我。</p>
<h2 id="公众号：网罗开发"><a href="#公众号：网罗开发" class="headerlink" title="公众号：网罗开发"></a>公众号：网罗开发</h2><p><img src="http://upload-images.jianshu.io/upload_images/2829694-48307b4d71bc5800.jpg?imageMogr2/auto-orient/strip%7CimageView2/2/w/300" alt=""></p>

      
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        <div style="text-align:center;color: #ccc;font-size:14px;">-------------本文结束<i class="fa fa-paw"></i>感谢您的阅读-------------</div>
    
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  <p><span>本文标题:</span><a href="/快速高效-Android身份证识别/">快速高效 | Android身份证识别</a></p>
  <p><span>文章作者:</span><a href="/" title="访问 Swift社区 的个人博客">Swift社区</a></p>
  <p><span>发布时间:</span>2018年01月25日 - 17:01</p>
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  <p><span>原始链接:</span><a href="/快速高效-Android身份证识别/" title="快速高效 | Android身份证识别">https://fanbaoying.github.io/快速高效-Android身份证识别/</a>
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